A copper wire having 0.20 cm as the radius of its circular section is one-meter long. It is melted and spherical balls of radius 0.20 cm are made
A copper wire having 0.20 cm as the radius of its circular section is one-meter long. It is melted and spherical balls of radius 0.20 cm are made. The number of balls that can be made is……
(A) 300
(B) 375
(C) 275
(D) 350
b
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